User contributions
- 22:35, 27 March 2019 (diff | hist) . . (+511) . . Talk:2128: New Robot
- 16:08, 27 March 2019 (diff | hist) . . (+192) . . Talk:2129: 1921 Fact Checker
- 08:10, 12 March 2019 (diff | hist) . . (+169) . . Talk:2090: Feathered Dinosaur Venn Diagram (current)
- 17:02, 7 March 2019 (diff | hist) . . (-17) . . 2120: Brain Hemispheres (→Explanation)
- 10:54, 2 January 2019 (diff | hist) . . (+126) . . 798: Adjectives (→Meanings of lesser known words)